package com.atguigu.gulimall.cart.controller;

import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.gulimall.cart.interceptor.CartInterceptor;
import com.atguigu.gulimall.cart.service.CartService;
import com.atguigu.gulimall.cart.vo.Cart;
import com.atguigu.gulimall.cart.vo.CartItem;
import com.atguigu.gulimall.cart.vo.UserInfoTo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import java.util.List;
import java.util.concurrent.ExecutionException;

@Controller
public class CartController {

    @Autowired
    private CartService cartService;

    @GetMapping("/getCurrentUserCartItems")
    @ResponseBody
    public List<CartItem> getCurrentUserCartItems(){

        return cartService.getUserCartItems();
    }

    @GetMapping("/checkItem")
    public String checkItem(@RequestParam("skuId") Long skuId, @RequestParam("checked") Integer checked){

        cartService.checkItem(skuId, checked);
        return "redirect:http://cart.gulimall.com/cart.html";
    }

    @GetMapping("/deleteItem")
    public String deleteItem(@RequestParam("skuId") Long skuId){

        cartService.deleteItem(skuId);
        return "redirect:http://cart.gulimall.com/cart.html";
    }

    @GetMapping("/countItem")
    public String countItem(@RequestParam("skuId") Long skuId, @RequestParam("num") Integer num){

        cartService.countItem(skuId, num);
        return "redirect:http://cart.gulimall.com/cart.html";
    }

    @GetMapping("/cart.html")
    public String cartListPage(Model model) throws ExecutionException, InterruptedException {

        Cart cart = cartService.getCart();

        model.addAttribute("cart", cart);
        return "cartList";
    }

    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId") Long skuId, @RequestParam("num") Integer num,
                            RedirectAttributes ra) throws ExecutionException, InterruptedException {
        cartService.addToCart(skuId, num);

        ra.addAttribute("skuId", skuId);
        return "redirect:http://cart.gulimall.com/addToCartSuccess.html";
    }

    /**
     * 跳转到成功页
     * @param skuId
     * @param model
     * @return
     * @throws ExecutionException
     * @throws InterruptedException
     */
    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccessPage(@RequestParam("skuId") Long skuId, Model model) throws ExecutionException, InterruptedException {
        // 重定向到添加购物车成功页
        CartItem cartItem = cartService.getCartItem(skuId);

        model.addAttribute("item", cartItem);
        return "success";
    }
}
